1366 - Incorrect integer value: '' for column `hbl_shop`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', 'f3ki04voio7a385241k0bhij07', '216.73.216.130', '1760841417', '1760841417', '/shop_content.php?coID=10')

[XT SQL Error]